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Determine which type of random variable the following examples are: (a) binomial, (b) hypergeometric, (c) geometric, or (c) P

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Answer #1

this is binomial random variable

p = 0.3 and n = 15

P(X = 6)
= 15C6 * 0.3^6 * 0.7^9
= 0.1472

P(X >= 6)
= P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) + P(X = 05)
= 0.2784
=1 - BINOM.DIST(5,15,0.3,TRUE)

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